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3 years ago

I NEED HELP PLEASE !!!!!

Mathematics

1 answer:

erastovalidia [21]3 years ago

8 0

Answer:

c= (f-d)/ab

Step-by-step explanation:

abc+d = f
Subtract f from both sides so abc= f-d
Divide by ab from both sides so c = (f-d)/ab

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I invested in a savings bond for two years and paid simple interest at an annual rate of 6%. The total interest I earned was $48

Nina [5.8K]

Answer:

4,000

Step-by-step explanation:

I= P*R*T/ 100

480= P*6*2/100

48000= 12P

Divide.

P= 4000

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2 years ago

3. The United States currently has the world's only

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2 years ago

A horizontal line goes through the point (–7,10).

andrey2020 [161]

Answer:

The slope of the line is zero

Another point on the line is (3,10).

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Please help and thank you

Anna11 [10]

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3 years ago

a person invest in 9000 in a bank. the bank pays 5% interest compounded semi annually. to the nearest tenth of a year, how long

QveST [7]

Answer:

10.1 years.

Step-by-step explanation:

It is given that,

Principal = 9000

Rate of interest = 5%

No. of times interest compounded = 2 times in an year

Amount after certain time = 14800

The formula for amount:

$A=P(1+\frac{r}{n})^{nt}$

where, P is principal, r is rate of interest, n is no. of times interest compounded in an year and t is time in years.

Substitute the given values in the above formula.

$14800=9000(1+\frac{0.05}{2})^{2t}$

$\frac{14800}{9000}=(1+0.025)^{2t}$

$1.644=(1.025)^{2t}$

Taking log both sides.

$\log(1.644)=\log(1.025)^{2t}$

$\log(1.644)=2t\log(1.025)$ $[\because \log a^b=b\log a]$

$\frac{\log(1.644)}{2\log(1.025)}=t$

$t=10.066$

$t=10.1$

Therefore, the required time is 10.1 years.

3 0

3 years ago